package one;

public class TestPeople {
    public static void test(ChinesePeople people){
        people.eat();
    }
    public static void main(String[] args) {
        ChineseNorthPeople chineseNorthPeople = new ChineseNorthPeople();
        ChineseSouthPeople chineseSouthPeople = new ChineseSouthPeople();
        test(chineseNorthPeople);

    }
}
